I understand that the union Jack's cross is England's flag, and the white X is Scotland's flag, but why is there a Red X also? Especially after seeing two versions of the flag without the red cross | AskHistorians Archive Observer

I understand that the union Jack's cross is England's flag, and the white X is Scotland's flag, but why is there a Red X also? Especially after seeing two versions of the flag without the red cross

by J0YC0N

BRIStoneman

The Red X is the Saltire of St Patrick and was added to the Union Flag when Ireland was officially integrated into the union with the Act of Union 1800.